Patent · US Expired

Powder coating resin process

US3980732A · kind A · utility

24Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 4, 1974
Grant dateSep 14, 1976
Priority date
Expiry dateOct 4, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L61/24
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing a free-flowing curable powder resin composition with a sintering temperature above 40.degree.C., comprising the steps of condensing a methylolurea or methylolaminotriazine with an aliphatic alcohol and a reactive compound containing hydroxyl or amide groups; blending the condensate with a polyester or polyacrylate; and grinding the blend to a powder of average particle size in the range of 20 to 150 microns.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.